supported by the National Nature Science Foundation of China(51303098,21477069,21506120);Research Project Supported by Shanxi Scholarship Council of China(2016-104);the Datong Science and Technology Public Relations Project(2015021,2018023);the Doctoral Science Foundation of Shanxi Datong University(QD201049);University Students’Innovation and Entrepreneurship of Shanxi Datong University(XDC2017257)